266041021264213 has 16 divisors (see below), whose sum is σ = 298972851682176. Its totient is φ = 234890950789440.

The previous prime is 266041021264171. The next prime is 266041021264229. The reversal of 266041021264213 is 312462120140662.

It is a cyclic number.

It is not a de Polignac number, because 266041021264213 - 2²¹ = 266041019167061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266041021267213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6780298 + ... + 24042763.

It is an arithmetic number, because the mean of its divisors is an integer number (18685803230136).

Almost surely, 2^{266041021264213} is an apocalyptic number.

266041021264213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

266041021264213 is a deficient number, since it is larger than the sum of its proper divisors (32931830417963).

266041021264213 is a wasteful number, since it uses less digits than its factorization.

266041021264213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30851964.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 266041021264213 in words is "two hundred sixty-six trillion, forty-one billion, twenty-one million, two hundred sixty-four thousand, two hundred thirteen".